| From: | Marko Tiikkaja <marko(dot)tiikkaja(at)cs(dot)helsinki(dot)fi> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
| Cc: | David Fetter <david(at)fetter(dot)org>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Rewrite, normal execution vs. EXPLAIN ANALYZE |
| Date: | 2010-07-23 22:24:01 |
| Message-ID: | 4C4A1681.6030706@cs.helsinki.fi |
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| Lists: | pgsql-hackers |
On 7/24/10 1:20 AM +0300, Alvaro Herrera wrote:
> Excerpts from Marko Tiikkaja's message of vie jul 23 17:44:21 -0400 2010:
>> wCTEs are not going to be based on any of the broken behaviour of rules,
>> that's for sure. What I meant is expanding a single query into multiple
>> queries and running the executor separately for all of them.
>
> Is a wCTE going to be expanded into multiple queries?
>
> If not, it sounds like we're all agreed.
Yes, it will have to be. I tried to make it work for 9.0 by not
expanding, and it didn't work out too well.
Regards,
Marko Tiikkaja
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